Sunraycer, General Motors' entry for the Pentax Solar Car Race, the first international solar-powered car race, which began in Darwin, Northern Territories on November 1st, 1987 and finished in Adelaide, South Australia. Sunraycer (bottom left) is shown here on the 3rd day of the race, moving along a dead straight section of the Stuart Highway (Route 87) in the outback 100 km south of Devil's Marbles. Sunraycer was the eventual winner, taking 5 1/2 days to complete the 1,950 miles, traveling at an average speed of 41.6 miles per hour. Sunraycer's power source was an array of 7,200 photovoltaic cells, joined to form a hood over the top and back of the vehicle. (1987) .